Ubuntu Sans Mono
Ubuntu Sans Mono is a monospace font in 4 weights with italics, also available as a variable font. Its lowercase letters are 7% narrower than the typical monospace font. Last updated 2 September 2025.
Editing a PDF that uses Ubuntu Sans Mono
Most PDFs embed only the letters they already use. Type a new letter and many editors either refuse or swap in a different font. MythosPDF recognises Ubuntu Sans Mono from the widths stored in your PDF, loads the complete open font, and sets your new text in Ubuntu Sans Mono itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 560 units per 1000 em |
|---|---|
| Average capital letter width | 560 units per 1000 em |
| Word space | 560 units per 1000 em |
| Digits | tabular (every digit is 560 units wide, so columns of numbers line up) |
| Spacing | monospaced |
| Width of i compared with m | 100% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Monospace |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Ubuntu Sans Mono
Measured on every printable character both fonts contain. A smaller difference means the same words take the same space, so lines break in the same places.
- Mononoki Regularnearly identical widths (1.5 units)
- Nova Mono Regularnearly identical widths (1.5 units)
- Reddit Mono Regularnearly identical widths (2.5 units)
- Syne Mono Regularvery close widths (10 units)
- Anonymous Pro Regularvery close widths (14.1 units)
- Comic Mono Regularsimilar widths (15.1 units)
- Share Tech Mono Regularsimilar widths (20 units)
- Sometype Mono Regularsimilar widths (20 units)
Compare Ubuntu Sans Mono
Questions people ask
+Can I edit a PDF that uses Ubuntu Sans Mono?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Ubuntu Sans Mono itself, loaded from the open font, so the edit matches the rest of the page.
+Is Ubuntu Sans Mono free to use?
Ubuntu Sans Mono is released under the Ubuntu Font License 1.0, an open licence that allows free use in documents, including commercial ones. Check the licence text for your exact use.
+Which font is closest to Ubuntu Sans Mono?
By measured letter widths, Mononoki is the closest match among open fonts (a mean difference of 1.5 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Ubuntu Sans Mono support?
It includes these character sets: Cyrillic, Cyrillic Extended, Greek, Greek Extended, Latin, Central European.
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